- Apr 9, 2012
- 925
Hi all!
I'm trying to track down a gremlin in the Envoy. Past few months since summer decided to show itself I've been experiencing intermittent voltage drops, usually drops to the 11.5-12 range give or take. Usually only happens for a second or too regardless if I'm at idle or driving. This only happens when I'm running the A/C, and when the voltage does drop the air seems to slow down from the vents and then picks back up again once the voltage hits the 13.5-14 range. I checked the connections running to the battery and back of the alternator but couldn't find anything. I don't recall having this issue last summer or with my previous TB. Is this usually a sign it may be the alternator? or something else entirely? Was also wondering if it may effect the A/C performance, it blows cool but not cold enough to my liking which I assume is an entirely different issue.
Only work I've done so far was replace the blower module, since I lost all fan speeds in June and the module decided to melt itself to the wiring harness. The voltage issue I'm experiencing has been ongoing since about May.
I'm trying to track down a gremlin in the Envoy. Past few months since summer decided to show itself I've been experiencing intermittent voltage drops, usually drops to the 11.5-12 range give or take. Usually only happens for a second or too regardless if I'm at idle or driving. This only happens when I'm running the A/C, and when the voltage does drop the air seems to slow down from the vents and then picks back up again once the voltage hits the 13.5-14 range. I checked the connections running to the battery and back of the alternator but couldn't find anything. I don't recall having this issue last summer or with my previous TB. Is this usually a sign it may be the alternator? or something else entirely? Was also wondering if it may effect the A/C performance, it blows cool but not cold enough to my liking which I assume is an entirely different issue.
Only work I've done so far was replace the blower module, since I lost all fan speeds in June and the module decided to melt itself to the wiring harness. The voltage issue I'm experiencing has been ongoing since about May.